FIRST-PLAY Soft Bell Ball are made from hollow foam with a tear-proof skin these balls have a low bounce making them ideal for both playground and skills activities. Benefits: Made from hollow foam with a tear-proof skin. Balls have a low bounce making them ideal for both playground and skills activities. Each ball contains bells in the inner and with the hole pattern sound escapes making them easily audible. Each ball contains bells in the inner and with the hole pattern sound escapes making them easily audible. An Ideal product. Note: Colours May Vary.